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How would you confirm that a colourless liquid given to you is pure water?

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asked Nov 6, 2017 in Chemistry by jisu zahaan (28,760 points) ● 26 ● 375 ● 814

How would you confirm that a colourless liquid given to you is pure water?

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answered Nov 6, 2017 by sforrest072 (157,439 points) ● 61 ● 410 ● 942
selected Nov 10, 2017 by jisu zahaan
 
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Every liquid has a characteristic boiling point at 1 atmospheric pressure. If the given colourless liquid boils exactly at 373 K at 1 atmospheric pressure, then it is pure water. If the boiling point is different, then the water is contaminated.

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